# suppose a map is scaled so that a half inch represents 25 miles. how many inches of the map represents 87 1/2 miles?

35,906 questions, page 300-
## Statistics

A sample of 12 measurements has a mean of 24 and a standard deviation of 4.5. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 24 each. Find the standard deviation of the sample of 14

*asked by Nao on January 24, 2009* -
## statistics...Please help

A sample of 12 measurements has a mean of 24 and a standard deviation of 4.5. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 24 each. Find the standard deviation of the sample of 14

*asked by JT on January 24, 2009* -
## Math Calc

Let theta be an angle in the first quadrant, and suppose sin theta equals a. Evaluate sin(180 degrees + theta) in terms of a sin(180 degrees + theta) =

*asked by Josh on October 24, 2014* -
## Psychology

A fleet of large trucks arrived in the mall parking lot after Janelle parked her car. When she returned to the lot she could not find her small vehicle in the maze of huge trucks. It took her at least half an hour of searching before she located her car.

*asked by Mat on July 26, 2013* -
## physics

A 0.55 kg object connected to a light spring with a force constant of 20.0 N/m oscillates on a frictionless horizontal surface. If the spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the object. (b) Determine the

*asked by Sarah on June 29, 2011* -
## conclusion please help

Both novels are very emotional stories. Both writers inspire the reader by the use of their language styles. The English Patient is a piece of writing that makes one wonder the greatness of the desert. A Farewell to Arms makes one realize that love cannot

*asked by apoorva on August 8, 2006* -
## statistics

30. The probability that a person can get infected with a rare type of blood disorder is very small. Suppose that a blood test performed on 10,000 people showed that two persons tested positive that is, a 0.02% chance of getting this type of blood

*asked by meri on June 30, 2015* -
## chemistry

Suppose that 2.25 grams of CuSO4 are dissolved in 930 mLs of 0.30 M ammonia. What concentration (Molarity) of Cu2+ ion is expected to be free in the aqueous solution and not bound to ammonia in the complex ion Cu(NH3)42+? The Kf for Cu(NH3)42+ is 5.0 x

*asked by Anonymous on April 7, 2013* -
## Economics

2. Suppose Fred has a utility function of the form U = X ½ Y ½ . Fred has an income of $100, good X costs $1.00, and good Y costs $2.00. How much of good X and how much or good Y will Fred buy? Ive already drawn my graph. i know that fred could buy 100

*asked by Brett on January 21, 2009* -
## physics

Ted Williams hits a baseball with an initial velocity of 120 miles per hour (176 ft/s) at an angle of è = 35 degrees to the horizontal. The ball is struck 3 feet above home plate. You watch as the ball goes over the outfield wall 420 feet away and lands

*asked by aaa on September 17, 2011* -
## physics

Ted Williams hits a baseball with an initial velocity of 120 miles per hour (176 ft/s) at an angle of è = 35 degrees to the horizontal. The ball is struck 3 feet above home plate. You watch as the ball goes over the outfield wall 420 feet away and lands

*asked by aaa on September 19, 2011* -
## Chemistry

2. Suppose that the amount of algae in a pond doubles every 4 hours. If the pond initially contains 90 pounds of algae, how much algae will be in the pond after 12 hours? A.)720 pounds B.)360 pounds C.)1,440 pounds D.)114 pounds I think the answer is D.

*asked by Deborah on January 24, 2013* -
## writing paper for political science

Confused on what do to do for this paper I have to write for a class here in a community college. I am to choose a country in asia, africa or Latin America like say South Korea. I am to research recent history and contemporary situation. Identify and

*asked by Alan on December 6, 2010* -
## Trigonometry

1) Two people are 3.21 miles apart and both spot a hot air balloon. One person observes the balloon at an angle of elevation of 25 degrees and the other observes the balloon at an angle of elevation of 38 degrees. Determine the altitude of the ballon and

*asked by Kalina on July 21, 2012* -
## Physics

Suppose that a comet that was seen in 545 A.D. by Chinese astronomers was spotted again in year 1937. Assume the time between observations is the period of the comet and take its eccentricity as 0.11. What are (a) the semimajor axis of the comet's orbit

*asked by Austin on November 12, 2017* -
## chemistry

Construct a galvanic (voltaic) cell from the half reactions shown below. Au3+ + 3 e- → Au (s) ξo= 1.420 V Br2 (l) + 2 e-→ 2 Br- (aq) ξo= 1.087 V Calculate the equilibrium constant (K) for this cell. Assume that the temperature is 298K. First,

*asked by bekah on May 2, 2014* -
## econ

1. Consider a pure monopolist with short-run total cost function given by STC = 1000 +200 Q + 12.5 Q2. Suppose also that this firm faces an inverse market demand function given by P = 800 – 20 Q. a. How much should this firm produce and what price should

*asked by LB on July 5, 2011* -
## Algebra

Sorry, it didn't paste the first time, I was wondering if I got these correct; especially number 2 at the bottom. 1. Suppose that a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price

*asked by Ashli on June 5, 2008* -
## Elem. Ed.

Can you please help with this question? The most well attended parent meetings are those that are based on: 1. the teacher's assumptions of what parents need to know. 2. the planned and prescribed curriculum of the parent education manual. 3. the needs and

*asked by Jill on May 7, 2007* -
## Physics

Suppose you pluck a string on a guitar and it produces the note A at a frequency of 440 Hz. Now, you press your finger down on the string against one of the frets, making this point the new end of the string. The newly shortened string has 4/5 the length

*asked by Erin on March 17, 2014* -
## college algebra

Ivan is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Ivan has been adding money. Suppose that x and y are related by the equation y=550+40x. What is the

*asked by Bessie on February 24, 2016* -
## Physics

An office copier uses a lens to place an image of a document onto a rotating drum. The copy is made from this image. (a) What kind of lens is used? Should it be 1 - converging, or 2 - diverging? Suppose the lens has a focal length of magnitude 13.0 cm. If

*asked by Beth on July 14, 2012* -
## English

I really need to have these sentences checked for tomorrow. Thank you very much in advance. Comprehension test on the abridged edition of Conrad’s “Heart of Darkness” Answer briefly the following questions 1.What was the first company trading post

*asked by Franco on September 21, 2010* -
## precal -checking answers

Suppose Joan has $5,000 to invest. The banks are offering 3.10% interest. Bank A compounds interest continuously, while Bank B compounds interest semiannually. Answer these questions regarding which bank Joan should invest her money in, to accrue the

*asked by Anonymous on September 10, 2010* -
## ECON

Suppose Fred has a utility function of the form U = X ½ Y ½ . Fred has an income of $100, good X costs $1.00, and good Y costs $2.00. How much of good X and how much or good Y will Fred buy? Be sure to show all your work. Ive aready drawn my graph and i

*asked by Brett on January 22, 2009* -
## physics

A uniform vertical glass tube open at the lower end and sealed at the lower end is lowered into sea water thus trappung the air int he tube . It is observed that when the tube is submerged to a depth 10 meters the sea water has entered the lower half of

*asked by emily on October 27, 2016* -
## college math

suppose that in a class of 50 students, 12 are married and 20 live at their parent's homes. two of the married students live at their parents' homes. a. draw a venn diagram of this information. b. how many students are single and don't live at their

*asked by cindy on March 7, 2010* -
## Algebra

The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line With slope of —0.4. See the figure below. Suppose that the height of the candle after 11 hours is

*asked by Catherine on March 20, 2017* -
## Economics

Suppose last month's inflation report estimated monthly inflation to be 0.4% over the month. The monetary authorities want inflation to not exceed 2% per year. Estimates of potential output state that our economy is currently near potential output.

*asked by Dee on April 29, 2008* -
## economics

Suppose last month’s inflation report estimated monthly inflation to be 0.4% over the month. The monetary authorities want inflation to not exceed 2% per year. Estimates of potential output state that our economy is currently near potential output.

*asked by cecy on May 17, 2014* -
## Advanced Functions

PLEASE READ THE BOTTOM I ADDED ON!! :) the ferris wheel at an amusement park measures 16m in diameter. the wheel does 3 rotations every minute. the bottom of the wheel is 1m above the ground... a) determine the simplest equation that models Megan's height

*asked by Lily on March 12, 2017* -
## Microeconomics

Can someone help me with a hint to solve this problem?? Thanks!!! "Consider an oligopolistic market with two firms. Each of them produces using a cost function given by c(q)=q2. The aggregate demand in the market is given by 1000−p. Suppose that, in

*asked by JJ on March 20, 2014* -
## science(chem)

Breathing too much alcohol or too much HNO3 surely would not be very good but I doubt there would be a reaction that would produce toxic fumes other than the fumes from the HNO3 and/or the ethanol. On similar note, just yesterday an 18-wheeler spilled a

*asked by DrBob222 on July 29, 2007* -
## Physics

a lunar landing module is descending to the moon's surface at a steady velocity of 10 m/s. At a height of 120m, a small object falls from its landing gear. Taking the moon's gravitational acceleration as 1.6m/s^2, at what speed, in m/s, does the object

*asked by Sean on November 16, 2006* -
## Physics

Suppose your car was mired deeply in the mud and you wanted to use the method illustrated in the figure to pull it out. (a) What force in newtons would you have to exert perpendicular to the center of a rope to produce a force of 10,000 N on the car if the

*asked by Sara on November 7, 2016* -
## Physics

Suppose a distant world with surface gravity of 7.12 m/s2 has an atmospheric pressure of 7.48 104 Pa at the surface. (a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean?________N (b) What

*asked by Amelia on November 7, 2012* -
## math

The cruising speed of a Boeing 767 in still air is 530 mph. Suppose that a 767 is cruising directly east when it encounters an 80 mph wind blowing 40 degrees south of west. Sketch the vectors for the velocities of the airplane and the wind. Express both

*asked by Connie on February 17, 2014* -
## Chem

Suppose that a stable element with atomic number 119, symbol Wr, has been discovered. (d) What would be the most likely charge of the Wr ion in stable ionic compounds? (e) Write a balanced equation that would represent the reaction of Wr with water. (f)

*asked by Dave on October 21, 2012* -
## physics

Suppose we have Bob the astronaut sitting without a space suit in a spaceship full of air on a mission to Mars. Bob is very fond of balloons and is holding on to a nice, big, red helium balloon via a piece of string. Bob is sitting facing the front of the

*asked by Kay on May 11, 2012* -
## Economics

Suppose that the governmental authorities wished to decrease use of a pesticide that is leaching into groundwater supplies in a watershed by 60% from current use levels. Discuss the advantages and/or disadvantages of distributing marketable pesticide

*asked by David on July 24, 2009* -
## PHYSICS PLEASE HELP

Suppose a distant world with surface gravity of 7.12 m/s2 has an atmospheric pressure of 7.48 104 Pa at the surface. (a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean?____________N (b)

*asked by AMY on November 8, 2012* -
## ssc

Suppose that the governmental authorities wished to decrease use of a pesticide that is leaching into groundwater supplies in a watershed by 60% from current use levels. Discuss the advantages and/or disadvantages of distributing marketable pesticide

*asked by Anonymous on May 14, 2011* -
## physics

A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.791 m2 and is at 2.95·102 K. What

*asked by Anonymous on November 5, 2014* -
## Math

A mini-cone has a diameter of 2 inches at the widest point and holds 12.5 in3 of ice cream. A mega-cone holds 133.1 in3 of ice cream. What is the diameter of the mega-cone at its widest point?

*asked by Kayla on July 9, 2012* -
## Physics grade 12

A horizontal beam of alpha particles are injected with a speed of 1.3x10^5 m/s into a region with a vertical magnetic field of magnitude 0.155T. A- How long does it take for an alpha particle to move half way through a complete circle? B- If the speed of

*asked by John on April 5, 2012* -
## math

Having trouble with these pairs of numbers (20,21,29) - (28,45,53) I am supposed to develop a Pythagorean triple. Here is that I am supposed to use which is a formula that can be used to generate infinite number of generating Pythagorean triples is: a =

*asked by Dave on February 21, 2011* -
## Discrete Mathematics

Mathematical sequences can be used to model real life applications. Suppose you want to construct a movie theater in your town. The number of seats in each row can be modeled by the formula C_n = 16 + 4n, when n refers to the nth row, and you need 50 rows

*asked by sara on September 4, 2012* -
## Chemistry

During reaction mechanism... A. catalyst does not change the reaction mechanism. B. catalyst changes the reaction mechanism. C. catalyst always makes a reaction mechanim more complicated. Catalysts lower the activation energy and provide alternative

*asked by Question on January 28, 2007* -
## Math 156

1)Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning ticket is to be $500, what are your expected winnings? I'm assuming the answer for this one is $0.00 2)A basketball player with a free throw shooting

*asked by jessica on August 7, 2009* -
## Math

Suppose A,B, and C are positive integers such that 24/5 = A + 1/B+1/C+1 The value of 1A + 2B + 3C equals: (A) 9 (B) 12 (C) 15 (D) 17 (E) 20 hey i am trying to solve the problem, is it written like A+1 _____ B+1/C+1 A + 1 ______ B + 1 ____ C + 1 sorry it

*asked by Jason on April 4, 2007* -
## Science

. Which of these processes would NOT be a part of a scientific investigation of an infectious disease? (Points : 1) cataloguing symptoms forming a hypothesis intentionally infecting people researching the disease 2. In an experiment, 20 pea plant seeds

*asked by yakime on June 24, 2010* -
## chem

1. The total power used by humans worldwide is approximately 15 TW (terawatts). Sunlight striking the Earth provides 1.336 kW per square meter (assuming no clouds). The surface area of Earth is approximately 197,000,000 square miles. How much of Earth’s

*asked by tra on May 14, 2013* -
## people

Many years ago, a cruise liner sank in the middle of the Pacific Ocean. The survivors luckily landed on a remote desert island. There was enough food for the 220 people to last three weeks. Six days later a rescue ship appeared, unluckily this ship also

*asked by dj on July 27, 2009* -
## math

The London Eye is a large ferris wheel. Each sealed and air-conditioned passenger capsule holds about 25 passengers. The diameter of the wheel is 135 m, and the wheel takes about half an hour to complete one revolution. a) Determine the exact angle, in

*asked by - on November 6, 2009* -
## math

The London Eye is a large ferris wheel. Each sealed and air-conditioned passenger capsule holds about 25 passengers. The diameter of the wheel is 135 m, and the wheel takes about half an hour to complete one revolution. a) Determine the exact angle, in

*asked by ariza on November 6, 2009* -
## Physics

High-heeled shoes can cause tremendous pressure to be applied to the floor. Suppose the radius of a heel is 6.00 10-3 m. At times during a normal walking motion, nearly the entire body weight acts perpendicular to the surface of such a heel. Find the

*asked by Mary on April 8, 2007* -
## Chem (repost)

Hydrogen and carbon dioxide react at a high temperature to give water and carbon monoxide. H2(g) + CO2(g) --> H2O(g) + CO(g) (b) Suppose 0.052 mol each of H2 and CO2 are placed in a 1.5 L container. When equilibrium is achieved at 986°C, what amounts of

*asked by Rachel on April 17, 2011* -
## Physics

In a Cavendish balance apparatus suppose that M1= 1.10Kg, M2= 25.0Kg, and the rod connecting the M1 pairs is 30.0cm long. If, in each pair, M1 and M2 are 12.0cm apart center-to-center, find (a) the net force and (b) the net torque (about the rotation axis)

*asked by Jaime on January 19, 2009* -
## Engineering Statistics

"A study has shown that 20% of all college textbooks have a price of $90 or higher. It is known that the standard deviation of the prices of all college textbooks is $9.50. Suppose the prices of all college textbooks have a normal distribution. What is the

*asked by Christian on October 11, 2011* -
## Math

The number of tickets sold on Friday at a movie theater was 2,000 more than the number of tickets sold on Tuesday. 1,250 tickets were sold on Tuesday. Which integer represents the number of tickets sold on Friday? A) -2,000 B) -1,250 C) 2,000 D)

*asked by Correct ✅ on December 8, 2018* -
## Social Studies

1. How did World War 1 change warfare? A. By introducing the atomic bomb B. By showing the effectiveness of trench warfare C. By using tanks, airplanes, and machine guns D. By demonstrating the success of the blitzkrieg 2. Which of the following was a

*asked by Brooke on February 29, 2016* -
## Algebra

I was wondering if I had number 2 correct; the only way to know the answer was to provide the entire answer for number 1. Thanks in advance. 1. Suppose that a market research company finds that at a price of p = $20, they would sell x = 42 tiles each

*asked by Ashli on June 5, 2008* -
## drbob222,math

I've written back for the one i'm having trouble with of the previous in the previous message. Another question is that I want to verify doesn't this problem refer to solving. It is estimated that the Earth is losing 4000 species of plants and animals

*asked by Jasmine20 on December 12, 2006* -
## math

Two planes left the same airport traveling in opposite directions. The first plane left the airport at 2 P.M. traveling at an average rate of 500 mph. The second plane left the airport at 4 P.M. traveling at an average rate of 550 mph. When will the planes

*asked by help on September 7, 2016* -
## Physics

Suppose you are drifting on a lake in a boat that measures 1 m high, 1 m wide, and 3 m long. The water level reaches halfway up the boat. 1. What is the volume of water that is displaced by the boat? (density of water = 1000 kg/m^3 or 1.00 g/cm^3). 2. What

*asked by Anonymous on November 10, 2010* -
## Mathematics

Check my answer?? The bulk food section of a grocery store has two bins with different types of mixed nuts, The first bin contains Walnuts, peanuts and pistachios, The second bin contains pecans, almonds, Brazil Nuts and Walnuts, What is a set that

*asked by MARIAtheBia on October 19, 2017* -
## Math

Suppose that a crayon weighs the same as a marker. You have a box of crayons, 5 extra crayons, and 29 markers. Let b be the number of crayons in the box. A scale balances with all the crayons on one side and all the markers on the other. You remove

*asked by Jordan on January 18, 2019* -
## physics

A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The plane is traveling horizontally with a speed of 280 km/h (77.8 m/s). (b) Suppose, instead, that the plane releases the supplies a horizontal distance of

*asked by DJ on September 26, 2009* -
## Physics - HELP

A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The plane is traveling horizontally with a speed of 280 km/h (77.8 m/s). (b) Suppose, instead, that the plane releases the supplies a horizontal distance of

*asked by Anonymous on September 27, 2009* -
## physics

A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The plane is traveling horizontally with a speed of 280 km/h (77.8 m/s). (b) Suppose, instead, that the plane releases the supplies a horizontal distance of

*asked by DJ on September 27, 2009* -
## physics

On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The free-fall acceleration on the moon is 1/6 of its value on earth. Suppose he hit the ball with a speed of 25 m/s at an angle 24 ∘

*asked by raquel on October 1, 2015* -
## Financial Analysis - free cash flows

b. Do negative values of free cash flow in way alter or invalidate the notion that a company's fair market value equals the present value of its free cash flows discounted at the company’s weighted average cost of capital? Suppose a company's free cash

*asked by Tia on March 1, 2007* -
## math

Hi. Please help me with this?: Suppose you start a home business typing technical research papers for college students. You must spend $3500 to replace your computer system. Then you estimate the cost of typing each page will be $.02. Write a rational

*asked by Harry on April 28, 2007* -
## Physics

Because gasoline is less dense than water, drums containing gasoline will float in water. Suppose a 220- L steel drum is completely full of gasoline. What total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh

*asked by Hee on October 28, 2010* -
## Chemistry 1200

Freezing-point depression can be used to determine the molecular mass of a compound. Suppose that 1.28 g of an unknown molecule were added to 19.9 g of water and the freezing point of the solution determined. If the new freezing point of water were found

*asked by Rukky on January 26, 2011* -
## math

The scale balanced when n+20=80 Suppose the left side becomes n+3 How can I change the right side so that n+3=____ is equivalent to n+20=80 How can I change the right side to get an equivalent equation my choices are A. Add blank to the right side B.

*asked by Hannah on January 12, 2015* -
## chemistry

Suppose you put 50mL of water in the can instead of 100mL and heated it to 40 degrees instead of 20 degrees. In what ways, if any, would this afect the results of the experiment? What would happen if you used 200mL of water and heated it only 10 degrees?

*asked by Dan on October 6, 2010* -
## Chem 1200

Freezing-point depression can be used to determine the molecular mass of a compound. Suppose that 1.28 g of an unknown molecule were added to 19.9 g of water and the freezing point of the solution determined. If the new freezing point of water were found

*asked by Rukky on January 26, 2011* -
## Chemistry

Can someone check my answer for me... 1)Suppose a piece of lead with a mass of 14.9 g at a temperature of 92.5 degrees is dropped into an insulated container of water. The mass of water is 165 g and its temperature before adding the lead is 20.0 degrees.

*asked by Mike on January 8, 2008* -
## college algebra

suppose the revenue in dollars from selling x cell phones is R(x)= -1.2x^2+220x. the cost in dollars of selling x cell phones is C(x)=0.05x^3-2x^2 +65x+500. find the profit function P(x)=R(x)-C(x). find the profit if x=15 hundred cell phones sold

*asked by Carol on February 27, 2012* -
## math

Imelda, susan and clara are driving go carts around a track. Imelda takes 14 min, susan takes 9 min and clara takes 10 min to drive one lap. suppose all three of them start together at a point and drive at their same speeds. after how many minutes would

*asked by vai on September 29, 2014* -
## microeconomics

Suppose your marginal utility for meals at the campus cafeteria this week has fallen to zero. Explain what has happened to your total utility curve derived from consuming these meals. Now explain what will happen to total utility if you eat more meals at

*asked by snizhanna on March 11, 2012* -
## finance

Not sure how to solve the following problem. Suppose two athletes sign 10-year contracts for $80 million. In one case, we're told that the $80 million will be paid in 10 equal installments. In the other case, we're told that the $80 million will be paid in

*asked by help on February 25, 2008* -
## Calculus

Let R be the region bounded by y=6sin((pi/2)x), y=6(x-2)^2, y=3x+3 containing the point (2,6). Find the area of R, find the volume of R rotated about the x-axis, find the volume of R rotated about the y-axis, and Suppose R is the base of a shape in which

*asked by Charmaine on October 27, 2012* -
## Math

the volume of fort peck dam is 96,000 X 1,000 m3. Suppose the state of Montana decides to increase the volume of the dam. After the improvements, fort peck will hold 10 times as many cubic meters will fort peck hold after the improvemts?

*asked by QUESTION on August 28, 2010* -
## LEARNING SKILLS

Suppose you've already registered in the Penn Foster Web site. What information must you provide to enter the site again and access information? A. Student ID and password B. Login ID and zip code C. Login ID and password D. Student ID and zip code

*asked by Anonymous on January 20, 2011* -
## physics

The average car today has a mass of 1100 kg, and when accelerating from rest, covers 0.25 miles in 15 seconds. Each rim and tire together has a diameter of 46 cm and a mass of 9.1kg. If we agree the rim and tire have the shape of a solid disk that rotates

*asked by Anonymous on November 3, 2014* -
## physics

The average car today has a mass of 1100 kg, and when accelerating from rest, covers 0.25 miles in 15 seconds. Each rim and tire together has a diameter of 46 cm and a mass of 9.1kg. If we agree the rim and tire have the shape of a solid disk that rotates

*asked by san on November 3, 2014* -
## History

Read the excerpt from Hammurabi’s Code. “If a man has knocked out the eye of a patrician [aristocrat], his eye shall be knocked out. . . If he has knocked out the eye of a plebeian [commoner] . . . he shall pay one mina of silver. If he has knocked out

*asked by INEEDHELP on November 15, 2018* -
## math

Company A truck rental is $70 a day at .40 per mile. Company B truck rental is $50 a day at .50 per mile. How many miles for company A to have a better deal than company B?

*asked by Anonymous on February 8, 2016* -
## Geometry (math)

Suppose line p is perpendicular to line s and line q is perpendicular to line s. are p and q parallel under all circumstances? Draw a figure to illustrate your answer . I doubt if we can post pictures on this,because my question asks to draw a figure.I

*asked by Naila dar on November 19, 2013* -
## statistics

For this class, the first quiz had a mean of 90.4% with a standard deviation od 16.6%. The homework scores have a mean of 81.7% with a standard deviation of 22.28%. Suppose you scored 90% on quiz one and have a homework total of 84%. A)are the reported

*asked by lauren on February 17, 2008* -
## algebra

suppose a market research company finds that a price of p=$22, they would sell x=42 tiles each month. If they lower the price to p=$12, then they would purchase the tile and they can expect to sell x=52 tiles in a month. Find the equation of the line for

*asked by debby on January 8, 2012* -
## Algebra

Suppose you buy flour and cornmeal in bulk to make flour tortillas and corn tortillas flour costs 1.50lb cornmeal costs 2.50lb you want to spend less than 9.50 on flour and cornmeal and you need at least 4lb altogether a) write a system of inequalities

*asked by Jared Heninger on March 28, 2013* -
## chemistry

Light bulbs emit a broad spectrum of light; that is, they emit photons with a broad range of wavelengths. Suppose that 10% of the photons from a 75-Watt (on watt is one joule per second) bulb are emitted with an average wavelength of 500 nm (middle of the

*asked by Maria on January 22, 2011* -
## math

The diameter of a hydrogen atom is about 5×10^-11 meter. Suppose 8.4×10^8 hydrogen atoms were arranged side by side in a straight line. Multiply these numbers to find the length of this line of atoms. What is the length in scientific notation?

*asked by Claire on May 19, 2016* -
## math 540

suppose it takes a college student an average of 5 minutes to find a parking space on the schools parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the

*asked by renee on November 12, 2013* -
## Physics

A 61 kg skier on level snow coasts 184 m to stop from a speed of 12.0 m/s (A) use the work energy principle to find the coefficient of kinetic friction between the skis and the snow. B) suppose a 75 kg skier with twice the starting speed coasted the same

*asked by Sarah on June 22, 2009* -
## calculus

When air expands adiabatically (without gaining or losing heat), its pressure and volume are related by the equation PV^1,4=C where C is a constant. Suppose that a a certain instant the volume is 520 cubic centimeters and the pressure is 99kPa and is

*asked by Ash on October 29, 2009* -
## Help? PHYSICS

1.) a 5.0 kg stone slid up a frictionless ramp that has an incline of 25 degree. How long is the ramp if gravitational potential energy associated with the stone is 2.4 x 10^2 J. 2.) A pogo stick contains a spring with a constant force of 1.5 x 10^4 N/m.

*asked by lalaglaze on October 22, 2009*

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